CardElevatorCardElevatorHow this exact card and grade is actually trading, computed from every real comp we track.
What the same card is worth across every grade we track, and the step-up from one grade to the next.
What the same card is worth in each grade, from real comps. The arrow shows the step-up vs the grade below.
A PSA 8 sells for about 7.7x the raw copy (+671%), a $23 jump.
Market value
Recency-weighted median of real comps
Sale cadence
Avg between sales
eBay
Michael Jordan 1989-90 Hoops All-Star #21 PSA 8 NM-MT
